Home / 101,025.27-151,438.88-86,066.19

Finding the Fourth Proportional to 101,025.27, 151,438.88 and 86,066.19

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Solution

The fourth proportional to 101,025.27, 151,438.88 and 86,066.19 is: 129,014.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,025.27 : 151,438.88 = 86,066.19 : x
  2. Step 2: Convert to fraction form
    101,025.27/151,438.88 = 86,066.19/x
  3. Step 3: Cross multiply
    101,025.27x = 151,438.88 × 86,066.19
  4. Step 4: Simplify right side
    101,025.27x = 13,033,767,634.63
  5. Step 5: Solve for x
    x = 13,033,767,634.63/101,025.27
  6. Step 6: Final answer
    x = 129,014.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.